Page 334 - Practical Design Ships and Floating Structures

Practical Design of Ships and Other Floating Structures 309
You-Sheng Wu, Wei-Cheng Cui and GuoJun Zhou (Eds)
6 200 I Elsevier Science Ltd. All rights reserved

RESEARCH ON 3D-LAYOUT DESIGN OF SHIP
COMPARTMENT BASED ON CBR

Jun-Hua Li , Ymg-Fu Zhu , Wen-Ye Ying and Jun Lu
Huazhong University of Science & Technology, Wuhan, Hubei, China
Wuhan Ship Design and Development institute, Wuhan, Hubei, China

ABSTRACT
CBR(Case--Based Reasoning ) is a new method for reasoning in AI. The core of CBR is the case
presentation and the case-indexing model. This paper has developed the case-based reasoning for
solving the 3D--layout design problem of ship compartments. The case presentation with
object-oriented (0-4) in a compartment is presented. The 0-0 method is set up, by using
classifing-decomposed relation and mixed knowledge expression of frames, rules and methods. The
name, design-task are used in case indexing construction, a design-task-oriented indexing model based
on artificial neural method and process for compartment layout based on CBR are put forward.

KEYWORDS
CBR, Naval ship compartment, Intelligent, 3D-layout

1 INTRODUCTION

In design process, experts always study old successful cases, and apply the experience to the new
design problem. In ship design field, this method is usually called “Mother-Ship Modification
Method. Case-Based Reasoning (CBR) is a kind of analogism . It expresses involved knowledge as
cases. Each case composes of a design problem and its solution. Via memorizing the solution of the
similar problem and properly adjusting the solution to suit the current problem, the solution of the
current problem can be worked out.”lGenerally speaking, case-based design comprise three process: 1)
presentation of case knowledge; 2) Indexing of relational cases; 3) Validation of the cased found.
This paper introduces the application of CBR technology in intelligent 3D layout design of ship
compartment, it also introduces the stratagem of case indexing based on artificial neural method.

2 PRESENTATION OF CASE IN SHIP COMPARTMENT LAYOUT DESIGN
2. I Object-oriented Knowledge Besentation Mi?thod of Compartment Layout Design